73 Magazine August 1976 (#190)

How Do You Use ICs? - fundamentals ...... WA2SUT/NNN0ZVB 24
Surprising Miniature Low Band Antenna - the DDRR low noise antenna (part I) ...... Boyer 28
MINI-MOS - The Best Keyer Yet? - nothing Mickey Mouse about this one ...... WA6EGY 38
The Skinflint's Delight Breadboard - cheap imitation of a commercial IC DIP board ...... K7YGP/7 52
More PLL Magic - like low frequencies for RTTY ...... W9ZTK 56
The Logic Grabber - selected interval logic tracer (S.I.L.T.) ...... WA3TCO 60
Global Calculations for the DXer - using a hand calculator ...... W2IAT 68
Instant Counter Calibration - using your TV set ...... K9POX 70
Super Simple 450 MHz Rig - go ATV with a $42.50 module ...... WB4YTU/WA9GVK 72
The First Computer-Controlled Ham Station - Grand Prize winner at the WACC! ...... WA8VNP 82
The Which Chip Dilemma! - 4, 8,12, or 16 bits: pros and cons ...... Pittman 90
Meaningful Conversations with your Computer - what those mysterious "languages" are all about ...... WB2ZCF 98
A Baudot Monitor /Editor System program - listing for the 8080 ...... Whipple, W5CUD 102
A Logic Probe You Can Hear - good not only for the blind ...... WA6HWJ 106
How Computer Arithmetic Works - do-it-your self experiments ...... W1HCI 108
Satellite Orbit Predicting - using a pocket calculator ...... W1ODI 113
The Death of Negative (IBM) Logic - some fundamentals of logic design ...... W6KYP 116
And on the Other Side - binary and octalization of decimals ...... W3KBM 120
Build the Safari RTTY Terminal - an active filter modem from Africa ...... DL2SX/ZS6GG, ZS6JR 122
Never Underestimate the NAND - introducing the 7400 quad NAND gate ...... WB0JHS 128
EI Cheapo Signal Tracer - test gear for the cheapskate ...... WB8EQQ 148
FSK with the SB-401 - simple way to get on RTTY ...... WA3AJR 150

Index courtesy of http://www.qsl.net/kb9mwr/files/ham/73.html.A

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